Pessoal bom dia, gostaria de tirar uma duvida de JSF
Message Error Parsing /autor.xhtml: Error Traced[line: 15] O prefixo "f" do elemento "f:validateLength" não está vinculado.Meu codigo esta assim, mas o f:validate nao esta sendo reconhecido
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<h:body>
<h1>Novo Autor</h1>
<h:form id="autor">
<fieldset>
<legend>Dados do Autor</legend>
<h:panelGrid columns="3">
<h:outputLabel value="Nome:" for="nome" />
<h:inputText id="nome" value="#{autorBean.autor.nome}"
required="true">
<f:validateLength minimum="5" />
</h:inputText>
<h:message for="nome" />
<h:commandButton value="Gravar" action="#{autorBean.gravar}" />
</h:panelGrid>
</fieldset>
</h:form>
</h:body>
</html>
